Chemistry, 13.09.2019 23:20 hannah5143
Alarge pot (10 kg) of beef stew is left out on the kitchen counter to cool. the rate of cooling, in kj/min, equals 1.955 (t-25), where t is the temperature of the stew in degrees celsius. the heat capacity of the stew is 4 kj/kg-c. if the stew initially is at 90 c, how long does it take to cool to 40 c? round off your answer to the nearest minute.
Answers: 2
Chemistry, 22.06.2019 00:00, lilyclairehutson
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 22.06.2019 05:50, mrylenastewart
What are transitions between a liquid and a solid called? identify which way they are transitioning
Answers: 2
Alarge pot (10 kg) of beef stew is left out on the kitchen counter to cool. the rate of cooling, in...
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